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Windows 7: PC Crashes when switching HDMI inputs on TV monitor

I've encountered a problem in that my Acer desktop PC with windows 7 Home Premium, which I'm using as an HTPC (i.e. or Home Entertainment PC), crashes when I switch between the two HDMI inputs on my Toshiba 32" LCD TV.

Note that when I switch to another non-HDMI input on the TV e.g. Antenna or a composite input and then switch back to the computer there's no problem.

What's changed is that I recently setup an Apple TV 3 on the second HDMI input and whenever I switch to that input it will cause my PC i.e. on the other HDMI input of the TV to crash. It seems that either the driver or the Windows OS doesn't like it when this happens.

I tried changing the resolution to match that being used by the ATV3 i.e. 1080p at 60 Hz but that didn't help.

switching HDMI Problem is famous for Acer PC's. If you have updated your driver try to get the original driver, Acer | Download works but see if you have a driver setup disk you should have made one when you got your pc if you didn't do not do it now because you will just make a disk with the newer driver on it. If you have never updated your driver than go to Google and type in your graphics card name. for instance Intel HD 4000 Graphics and hit enter find a reputable site like www.brothersoft.com and get the newest driver if you download an older one the installer will tell you when you try to install it. It is ok to install an older driver sometimes newer drivers break things and we are forced to resort back. you should change your driver version though because you have found a bug that prevents you from doing what you need to do. if the driver thing doesn't work or you cant find the drivers i mentioned than try giving us more information like model of your PC ie.. Acer Aspire 5750Z-4885. With Acer it is important to include everything not just the first four #'s because Acer hardware changes over the last 4 as well. Also tell us what operating system you are suing ie.. Windows XP, Windows Vista, Windows 7 or 8 we need to know you should update your system specs on this website so that they are always visible whenever you post. and I recommend updating your chipset driver while your on http://us.acer.com/ac/en/US/content/drivers because chip-set drivers can also cause conflicts with your graphics hardware

I also have a PC with the same video card and crashes.
I've learned most HTPC (Home theater PC) lack the needed chipset to accomplish switching inputs effectively.
Google "monitor detect killer" this is the only thing that worked for me.

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